Cantor, David G.; Dimsdale, Bernard On direction-preserving maps of graphs. (English) Zbl 0181.51902 J. Comb. Theory 6, 165-176 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents Keywords:topology × Cite Format Result Cite Review PDF Full Text: DOI